semiannual
01
半年一次的, 一年两次的
done or happening twice a year
例子
The organization plans to conduct its semiannual fundraiser in the spring and again in the fall.
该组织计划在春季和秋季再次进行半年一次的筹款活动。
The semiannual report was submitted last week, detailing the progress made in the first half of the year.
半年度报告已于上周提交，详细介绍了上半年取得的进展。
